... mouse, USB, 4CH Digital Video Recorder Real-time Recording H.264 Network DVR FeaturesWith H.264 High efficiency Video CompressionSupport 4CH playback at same ... slot, support USB, mouse, backup, burning, upgradeStrong Network server, support IE review and CMS(can manager over 500 ... burnVideo Input8channel, BNC, 1.0Vp-p,75ΩVideo Output1 channel, BNC, 1.0Vp-p,75Ω and 1 VGA outputAudio Input1 channel ...